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https://en.wikipedia.org/wiki/Structured%20analysis | In software engineering, structured analysis (SA) and structured design (SD) are methods for analyzing business requirements and developing specifications for converting practices into computer programs, hardware configurations, and related manual procedures.
Structured analysis and design techniques are fundamental t... |
https://en.wikipedia.org/wiki/Weather%20buoy | Weather buoys are instruments which collect weather and ocean data within the world's oceans, as well as aid during emergency response to chemical spills, legal proceedings, and engineering design. Moored buoys have been in use since 1951, while drifting buoys have been used since 1979. Moored buoys are connected wit... |
https://en.wikipedia.org/wiki/Ottobock | Ottobock SE & Co. KGaA, formerly Otto Bock, is a company based in Duderstadt Germany, that operates in the field of orthopedic technology. It is considered the world market leader in the field of prosthetics and one of the leading suppliers in orthotics, wheelchairs and exoskeletons.
In 2019, the Ottobock Group as a w... |
https://en.wikipedia.org/wiki/Emerin | Emerin is a protein that in humans is encoded by the EMD gene, also known as the STA gene. Emerin, together with LEMD3, is a LEM domain-containing integral protein of the inner nuclear membrane in vertebrates. Emerin is highly expressed in cardiac and skeletal muscle. In cardiac muscle, emerin localizes to adherens jun... |
https://en.wikipedia.org/wiki/Source%20routing | In computer networking, source routing, also called path addressing, allows a sender of a packet to partially or completely specify the route the packet takes through the network. In contrast, in conventional routing, routers in the network determine the path incrementally based on the packet's destination. Another rou... |
https://en.wikipedia.org/wiki/Modal%20dispersion | Modal dispersion is a distortion mechanism occurring in multimode fibers and other waveguides, in which the signal is spread in time because the propagation velocity of the optical signal is not the same for all modes. Other names for this phenomenon include multimode distortion, multimode dispersion, modal distortion,... |
https://en.wikipedia.org/wiki/Mobile-device%20testing | Mobile-device testing functions to assure the quality of mobile devices, like mobile phones, PDAs, etc. It is conducted on both hardware and software, and from the view of different procedures, the testing comprises R&D testing, factory testing and certificate testing. It involves a set of activities from monitoring... |
https://en.wikipedia.org/wiki/Area%20%28architecture%29 | In architecture, an area (areaway in North America) is an excavated, subterranean space around the walls of a building, designed to admit light into a basement. Also called a lightwell, it often provides access to the house and a store-room/service cupboard for tradesmen, such as a coal store vault under the pavement.
... |
https://en.wikipedia.org/wiki/Set-off%20%28architecture%29 | In architecture and masonry, the term set-off or off-set is given to the part of a wall or other architectural feature, which is exposed when the portion above is of a reduced thickness. In plinths, this is generally simply chamfered. In other parts of stonework, the set-off is generally concealed by a projecting strin... |
https://en.wikipedia.org/wiki/Quantum%20tic-tac-toe | Quantum tic-tac-toe is a "quantum generalization" of tic-tac-toe in which the players' moves are "superpositions" of plays in the classical game. The game was invented by Allan Goff of Novatia Labs, who describes it as "a way of introducing quantum physics without mathematics", and offering "a conceptual foundation for... |
https://en.wikipedia.org/wiki/Suppressor%20mutation | A suppressor mutation is a second mutation that alleviates or reverts the phenotypic effects of an already existing mutation in a process defined synthetic rescue. Genetic suppression therefore restores the phenotype seen prior to the original background mutation. Suppressor mutations are useful for identifying new g... |
https://en.wikipedia.org/wiki/Packaging%20engineering | Packaging engineering, also package engineering, packaging technology and packaging science, is a broad topic ranging from design conceptualization to product placement. All steps along the manufacturing process, and more, must be taken into account in the design of the package for any given product. Package engineer... |
https://en.wikipedia.org/wiki/Chamberlin%20trimetric%20projection | The Chamberlin trimetric projection is a map projection where three points are fixed on the globe and the points on the sphere are mapped onto a plane by triangulation. It was developed in 1946 by Wellman Chamberlin for the National Geographic Society.
Chamberlin was chief cartographer for the Society from 1964 to 1971... |
https://en.wikipedia.org/wiki/Workflow%20engine | A workflow engine is a software application that manages business processes. It is a key component in workflow technology and typically makes use of a database server.
A workflow engine manages and monitors the state of activities in a workflow, such as the processing and approval of a loan application form, and deter... |
https://en.wikipedia.org/wiki/Settlement%20%28structural%29 | Settlement in a structure refers to the distortion or disruption of parts of a building due to
unequal compression of its foundations;
shrinkage, such as that which occurs in timber-framed buildings as the frame adjusts its moisture content; or
undue loads being applied to the building after its initial construction... |
https://en.wikipedia.org/wiki/Acoustic%20transmission | Acoustic transmission is the transmission of sounds through and between materials, including air, wall, and musical instruments.
The degree to which sound is transferred between two materials depends on how well their acoustical impedances match.
In musical instrument design
Musical instruments are generally designed... |
https://en.wikipedia.org/wiki/Novell%20BorderManager | BorderManager is a multi purpose network security application developed by Novell, Inc. BorderManager is designed as a proxy server, firewall, and VPN access point. Novell has announced that migration to SuperLumin 4.0 Proxy Cache is "Novell's preferred firewall and proxy solution for NetWare customers upgrading to Nov... |
https://en.wikipedia.org/wiki/Math%20wars | Math wars is the debate over modern mathematics education, textbooks and curricula in the United States that was triggered by the publication in 1989 of the Curriculum and Evaluation Standards for School Mathematics by the National Council of Teachers of Mathematics (NCTM) and subsequent development and widespread adop... |
https://en.wikipedia.org/wiki/Contact%20resistance | The term contact resistance refers to the contribution to the total resistance of a system which can be attributed to the contacting interfaces of electrical leads and connections as opposed to the intrinsic resistance. This effect is described by the term electrical contact resistance (ECR) and arises as the result of... |
https://en.wikipedia.org/wiki/Streaker%20%28video%20game%29 | Streaker is an action game published by Mastertronic on their "Bulldog" label in 1987. The game was released for the Amstrad CPC, MSX, ZX Spectrum.
Plot
The hero of the game is Carlin, a naked man who has been mugged and stripped, and needs to find all of his clothes. Carlin is in a town on the planet Zuggi, which res... |
https://en.wikipedia.org/wiki/Huntley%20Project | The Huntley Project is an irrigation project in southern Montana that was established by the United States Bureau of Reclamation in 1907. The district includes the towns of Huntley, Worden, Ballantine, and Pompeys Pillar.
Since the Huntley Project was established, the district's main cash crops have been sugar beets a... |
https://en.wikipedia.org/wiki/Total%20viable%20organism | Total viable organism (or TVO) is a term used in microbiology to quantify the amount of microorganisms present in a sample. Each sample is usually cultured on a variety of agar plates (petri dishes) often containing different types of selective media. The colony-forming units (CFUs) are calculated after allowing time... |
https://en.wikipedia.org/wiki/P16 | p16 (also known as p16INK4a, cyclin-dependent kinase inhibitor 2A, CDKN2A, multiple tumor suppressor 1 and numerous other synonyms), is a protein that slows cell division by slowing the progression of the cell cycle from the G1 phase to the S phase, thereby acting as a tumor suppressor. It is encoded by the CDKN2A gene... |
https://en.wikipedia.org/wiki/Ronald%20Ernest%20Aitchison | Ronald Ernest Aitchison (29 December 1921 – 9 March 1996) was an Australian physicist and electronics engineer who contributed to a range of fields and technologies from solid-state devices to satellite imaging. He was born in Hurstville, New South Wales, Australia on 29 December 1921.
Career
From 1942 to 1945 Aitch... |
https://en.wikipedia.org/wiki/Biseriate | Biseriate is a botanical term applied to both plantae and fungi, meaning 'arranged in two rows'.
The term can refer to any number of structures found within these kingdoms, from arrangement of leaves to the placement of spores.
It becomes useful in taxonomy for placing a species within a certain genus, family, or ev... |
https://en.wikipedia.org/wiki/Quiescence%20search | Quiescence search is an algorithm typically used to extend search at unstable nodes in minimax game trees in game-playing computer programs. It is an extension of the evaluation function to defer evaluation until the position is stable enough to be evaluated statically, that is, without considering the history of the p... |
https://en.wikipedia.org/wiki/Dig%20%28command%29 | dig is a network administration command-line tool for querying the Domain Name System (DNS).
dig is useful for network troubleshooting and for educational purposes. It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file. When a specific name s... |
https://en.wikipedia.org/wiki/Thermal%20death%20time | Thermal death time is how long it takes to kill a specific bacterium at a specific temperature. It was originally developed for food canning and has found applications in cosmetics, producing salmonella-free feeds for animals (e.g. poultry) and pharmaceuticals.
History
In 1895, William Lyman Underwood of the Underwood... |
https://en.wikipedia.org/wiki/Markus%E2%80%93Yamabe%20conjecture | In mathematics, the Markus–Yamabe conjecture is a conjecture on global asymptotic stability. If the Jacobian matrix of a dynamical system at a fixed point is Hurwitz, then the fixed point is asymptotically stable. Markus-Yamabe conjecture asks if a similar result holds globally. Precisely, the conjecture states that if... |
https://en.wikipedia.org/wiki/Erwise | Erwise is an early discontinued web browser, and the first that was available for the X Window System.
Released in April 1992, the browser was written for Unix computers running X and used the W3 common access library. Erwise was the combined master's project of four Finnish students at the Helsinki University of Tech... |
https://en.wikipedia.org/wiki/Tefkat | Tefkat is a model transformation language and a model transformation engine. The language is based on F-logic and the theory of stratified logic programs. The engine is an Eclipse plug-in for the Eclipse Modeling Framework (EMF).
History
Tefkat was one of the sub-projects of the Pegamento project at the Distribute... |
https://en.wikipedia.org/wiki/Inner-platform%20effect | The inner-platform effect is the tendency of software architects to create a system so customizable as to become a replica, and often a poor replica, of the software development platform they are using. This is generally inefficient and such systems are often considered to be examples of an anti-pattern.
Examples
Exa... |
https://en.wikipedia.org/wiki/Ad%20hoc%20testing | Ad hoc testing is a commonly used term for planned software testing that is performed without initial test case documentation; however, ad hoc testing can also be applied to other scientific research and quality control efforts. Ad hoc tests are useful for adding additional confidence to a resulting product or process,... |
https://en.wikipedia.org/wiki/Loop-switch%20sequence | A loop-switch sequence (also known as the for-case paradigm or Anti-Duff's Device) is a programming antipattern where a clear set of steps is implemented as a switch-within-a-loop. The loop-switch sequence is a specific derivative of spaghetti code.
It is not necessarily an antipattern to use a switch statement within... |
https://en.wikipedia.org/wiki/Laborat%C3%B3rio%20Nacional%20de%20Engenharia%20Civil | The Laboratório Nacional de Engenharia Civil, National Laboratory for Civil Engineering, (LNEC) is a public institution of scientific and technological research and development in Portugal and is a civil engineering laboratory.
LNEC acts in the different fields of civil engineering under the jurisdiction of the Minist... |
https://en.wikipedia.org/wiki/Herbrand%20interpretation | In mathematical logic, a Herbrand interpretation is an interpretation in which all constants and function symbols are assigned very simple meanings. Specifically, every constant is interpreted as itself, and every function symbol is interpreted as the application function on terms. The interpretation also defines pred... |
https://en.wikipedia.org/wiki/Nested%20quotation | A nested quotation is a quotation that is encapsulated inside another quotation, forming a hierarchy with multiple levels. When focusing on a certain quotation, one must interpret it within its scope. Nested quotation can be used in literature (as in nested narration), speech, and computer science (as in "meta"-state... |
https://en.wikipedia.org/wiki/ACF2 | ACF2 (Access Control Facility 2) is a commercial, discretionary access control software security system developed for the MVS (z/OS today), VSE (z/VSE today) and VM (z/VM today) IBM mainframe operating systems by SKK, Inc. Barry Schrager, Eberhard Klemens, and Scott Krueger combined to develop ACF2 at London Life Insur... |
https://en.wikipedia.org/wiki/WirelessHD | WirelessHD, also known as UltraGig, is a proprietary standard owned by Silicon Image (originally SiBeam) for wireless transmission of high-definition video content for consumer electronics products. The consortium currently has over 40 adopters; key members behind the specification include Broadcom, Intel, LG, Panasoni... |
https://en.wikipedia.org/wiki/Die%20%28integrated%20circuit%29 | A die, in the context of integrated circuits, is a small block of semiconducting material on which a given functional circuit is fabricated. Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon (EGS) or other semiconductor (such as GaAs) through processes such as ph... |
https://en.wikipedia.org/wiki/Phase%20factor | For any complex number written in polar form (such as ), the phase factor is the complex exponential factor (). The phase factor is a unit complex number, i.e. a complex number of absolute value 1. It is commonly used in quantum mechanics. It is a special case of phasors, which may have arbitrary magnitude (i.e. not... |
https://en.wikipedia.org/wiki/Oncogenomics | Oncogenomics is a sub-field of genomics that characterizes cancer-associated genes. It focuses on genomic, epigenomic and transcript alterations in cancer.
Cancer is a genetic disease caused by accumulation of DNA mutations and epigenetic alterations leading to unrestrained cell proliferation and neoplasm formation. T... |
https://en.wikipedia.org/wiki/Twister%20supersonic%20separator | The Twister supersonic separator is a compact tubular device which is used for removing water and/or hydrocarbon dewpointing of natural gas. The principle of operation is similar to the near isentropic Brayton cycle of a turboexpander. The gas is accelerated to supersonic velocities within the tube using a De Laval n... |
https://en.wikipedia.org/wiki/Incipient%20wetness%20impregnation | Incipient wetness impregnation (IW or IWI), also called capillary impregnation or dry impregnation, is a commonly used technique for the synthesis of heterogeneous catalysts. Typically, the active metal precursor is dissolved in an aqueous or organic solution. Then the metal-containing solution is added to a catalyst s... |
https://en.wikipedia.org/wiki/Conditional%20event%20algebra | A standard, Boolean algebra of events is a set of events related to one another by the familiar operations and, or, and not. A conditional event algebra (CEA) contains not just ordinary events but also conditional events, which have the form "if A, then B". The usual purpose of a CEA is to enable the defining of a prob... |
https://en.wikipedia.org/wiki/Control%20track | A control track is a track that runs along an outside edge of a standard analog videotape (including VHS). The control track encodes a series of pulses, each pulse corresponding to the beginning of each frame. This allows the video tape player to synchronize its scan speed and tape speed to the speed of the recording.... |
https://en.wikipedia.org/wiki/Wigner%20D-matrix | The Wigner D-matrix is a unitary matrix in an irreducible representation of the groups SU(2) and SO(3). It was introduced in 1927 by Eugene Wigner, and plays a fundamental role in the quantum mechanical theory of angular momentum. The complex conjugate of the D-matrix is an eigenfunction of the Hamiltonian of spherical... |
https://en.wikipedia.org/wiki/Semiprime%20ring | In ring theory, a branch of mathematics, semiprime ideals and semiprime rings are generalizations of prime ideals and prime rings. In commutative algebra, semiprime ideals are also called radical ideals and semiprime rings are the same as reduced rings.
For example, in the ring of integers, the semiprime ideals are th... |
https://en.wikipedia.org/wiki/Semantically%20Interlinked%20Online%20Communities | Semantically Interlinked Online Communities Project (SIOC ( )) is a Semantic Web technology. SIOC provides methods for interconnecting discussion methods such as blogs, forums and mailing lists to each other. It consists of the SIOC ontology, an open-standard machine-readable format for expressing the information conta... |
https://en.wikipedia.org/wiki/Parry%E2%80%93Sullivan%20invariant | In mathematics, the Parry–Sullivan invariant (or Parry–Sullivan number) is a numerical quantity of interest in the study of incidence matrices in graph theory, and of certain one-dimensional dynamical systems. It provides a partial classification of non-trivial irreducible incidence matrices.
It is named after the Eng... |
https://en.wikipedia.org/wiki/Automatic%20sequence | In mathematics and theoretical computer science, an automatic sequence (also called a k-automatic sequence or a k-recognizable sequence when one wants to indicate that the base of the numerals used is k) is an infinite sequence of terms characterized by a finite automaton. The n-th term of an automatic sequence a(n) i... |
https://en.wikipedia.org/wiki/Split%20nut | A split nut is a nut that is split lengthwise into two pieces (opposed halves) so that its female thread may be opened and closed over the male thread of a bolt or leadscrew. This allows the nut, when open, to move along the screw without the screw turning (or, vice versa, to allow the screw to pass through the nut wit... |
https://en.wikipedia.org/wiki/Adobe%20AIR | Adobe AIR (also known as Adobe Integrated Runtime and codenamed Apollo) is a cross-platform runtime system currently developed by Harman International, in collaboration with Adobe Inc., for building desktop applications and mobile applications, programmed using Adobe Animate, ActionScript, and optionally Apache Flex. ... |
https://en.wikipedia.org/wiki/Diel%20vertical%20migration | Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes. The word "diel" (IPA: , ) comes from , and means a 24-hour period. The migration occurs when organisms move up to the uppermost layer of the sea ... |
https://en.wikipedia.org/wiki/Chemical%20technologist | Chemical technologists and technicians (abbr. chem techs) are workers who provide technical support or services in chemical-related fields. They may work under direct supervision or may work independently, depending on their specific position and duties. Their work environments differ widely and include, but are not ... |
https://en.wikipedia.org/wiki/Ectomesenchyme | Ectomesenchyme has properties similar to mesenchyme. The origin of the ectomesenchyme is disputed. It is either like the mesenchyme, arising from mesodermic cells, or conversely arising from neural crest cells. The neural crest is a critical group of cells that form in the cranial region during early vertebrate develop... |
https://en.wikipedia.org/wiki/Reverse%20Monte%20Carlo | The Reverse Monte Carlo (RMC) modelling method is a variation of the standard Metropolis–Hastings algorithm to solve an inverse problem whereby a model is adjusted until its parameters have the greatest consistency with experimental data. Inverse problems are found in many branches of science and mathematics, but this ... |
https://en.wikipedia.org/wiki/BestCrypt | BestCrypt, developed by Jetico, is a commercial disk encryption app available for Windows, Linux, macOS and Android.
BestCrypt comes in two editions: BestCrypt Volume Encryption to encrypt entire disk volumes; BestCrypt Container Encryption to encrypt virtual disks stored as computer files.
BestCrypt also provides ... |
https://en.wikipedia.org/wiki/Tinapa | Tinapa, a Filipino term, is fish cooked or preserved through the process of smoking. It is a native delicacy in the Philippines and is often made from blackfin scad (Alepes melanoptera, known locally as galunggong), or from milkfish, which is locally known as bangus.
Though canned tinapa in tomato sauce is common and ... |
https://en.wikipedia.org/wiki/Screening%20router | A screening router performs packet-filtering and is used as a firewall. In some cases a screening router may be used as perimeter protection for the internal network or as the entire firewall solution.
References
See also
Access Control List
DMZ
Data security
Networking hardware
Computer network security |
https://en.wikipedia.org/wiki/Deductive%20closure | In mathematical logic, a set of logical formulae is deductively closed if it contains every formula that can be logically deduced from , formally: if always implies . If is a set of formulae, the deductive closure of is its smallest superset that is deductively closed.
The deductive closure of a theory is often ... |
https://en.wikipedia.org/wiki/Opportunistic%20TLS | Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted (TLS or SSL) connection instead of using a separate port for encrypted communication. Several protocols use a command named "STARTTLS" for this pu... |
https://en.wikipedia.org/wiki/Tribler | Tribler is an open source decentralized BitTorrent client which allows anonymous peer-to-peer by default. Tribler is based on the BitTorrent protocol and uses an overlay network for content searching.
Due to this overlay network, Tribler does not require an external website or indexing service to discover content. The ... |
https://en.wikipedia.org/wiki/Andrews%E2%80%93Curtis%20conjecture | In mathematics, the Andrews–Curtis conjecture states that every balanced presentation of the trivial group can be transformed into a trivial presentation by a sequence of Nielsen transformations on the relators together with conjugations of relators, named after James J. Andrews and Morton L. Curtis who proposed it in ... |
https://en.wikipedia.org/wiki/Stride%20scheduling | Stride scheduling is a type of scheduling mechanism that has been introduced as a simple concept to achieve proportional central processing unit (CPU) capacity reservation among concurrent processes. Stride scheduling aims to sequentially allocate a resource for the duration of standard time-slices (quantum) in a fashi... |
https://en.wikipedia.org/wiki/Carleson%20measure | In mathematics, a Carleson measure is a type of measure on subsets of n-dimensional Euclidean space Rn. Roughly speaking, a Carleson measure on a domain Ω is a measure that does not vanish at the boundary of Ω when compared to the surface measure on the boundary of Ω.
Carleson measures have many applications in harmon... |
https://en.wikipedia.org/wiki/Marshall%20Hall%20%28mathematician%29 | Marshall Hall Jr. (17 September 1910 – 4 July 1990) was an American mathematician who made significant contributions to group theory and combinatorics.
Education and career
Hall studied mathematics at Yale University, graduating in 1932. He studied for a year at Cambridge University under a Henry Fellowship working ... |
https://en.wikipedia.org/wiki/Theoretical%20plate | A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other. Such equilibrium stages may also be referred to as an equilibrium stage, ideal stage, or a theoretical tray. The performance... |
https://en.wikipedia.org/wiki/Steel%20building | A steel building is a metal structure fabricated with steel for the internal support and for exterior cladding, as opposed to steel framed buildings which generally use other materials for floors, walls, and external envelope. Steel buildings are used for a variety of purposes including storage, work spaces and living... |
https://en.wikipedia.org/wiki/Reconvergent%20fan-out | Reconvergent fan-out is a technique to make VLSI logic simulation less pessimistic.
Static timing analysis tries to figure out the best and worst case time estimate for each signal as they pass through an electronic device. Whenever a signal passes through a node, a bit of uncertainty must be added to the time requir... |
https://en.wikipedia.org/wiki/Signal%20edge | In electronics, a signal edge is a transition of a digital signal from low to high or from high to low:
A rising edge (or positive edge) is the low-to-high transition.
A falling edge (or negative edge) is the high-to-low transition.
In the case of a pulse, which consists of two edges:
The leading edge (or front e... |
https://en.wikipedia.org/wiki/Petname | Petname systems are naming systems that claim to possess all three naming properties of Zooko's triangle - global, secure, and memorable. Software that uses such a system can satisfy all three requirements. Such systems can be used to enhance security, such as preventing phishing attacks.
Unlike traditional identity sy... |
https://en.wikipedia.org/wiki/Fenske%20equation | The Fenske equation in continuous fractional distillation is an equation used for calculating the minimum number of theoretical plates required for the separation of a binary feed stream by a fractionation column that is being operated at total reflux (i.e., which means that no overhead product distillate is being with... |
https://en.wikipedia.org/wiki/Borsuk%27s%20conjecture | The Borsuk problem in geometry, for historical reasons incorrectly called Borsuk's conjecture, is a question in discrete geometry. It is named after Karol Borsuk.
Problem
In 1932, Karol Borsuk showed that an ordinary 3-dimensional ball in Euclidean space can be easily dissected into 4 solids, each of which has a small... |
https://en.wikipedia.org/wiki/Association%20of%20Internet%20Researchers | The Association of Internet Researchers (AoIR) is a learned society dedicated to the advancement of the transdisciplinary field of Internet studies. Founded in 1999, it is an international, member-based support network promoting critical and scholarly Internet research, independent from traditional disciplines and exis... |
https://en.wikipedia.org/wiki/Anamorphism | In computer programming, an anamorphism is a function that generates a sequence by repeated application of the function to its previous result. You begin with some value A and apply a function f to it to get B. Then you apply f to B to get C, and so on until some terminating condition is reached. The anamorphism is the... |
https://en.wikipedia.org/wiki/Distance-transitive%20graph | In the mathematical field of graph theory, a distance-transitive graph is a graph such that, given any two vertices and at any distance , and any other two vertices and at the same distance, there is an automorphism of the graph that carries to and to . Distance-transitive graphs were first defined in 1971 by No... |
https://en.wikipedia.org/wiki/Distance-regular%20graph | In the mathematical field of graph theory, a distance-regular graph is a regular graph such that for any two vertices and , the number of vertices at distance from and at distance from depends only upon , , and the distance between and .
Some authors exclude the complete graphs and disconnected graphs from this ... |
https://en.wikipedia.org/wiki/Conference%20graph | In the mathematical area of graph theory, a conference graph is a strongly regular graph with parameters v, and It is the graph associated with a symmetric conference matrix, and consequently its order v must be 1 (modulo 4) and a sum of two squares.
Conference graphs are known to exist for all small values of v a... |
https://en.wikipedia.org/wiki/Conference%20matrix | In mathematics, a conference matrix (also called a C-matrix) is a square matrix C with 0 on the diagonal and +1 and −1 off the diagonal, such that CTC is a multiple of the identity matrix I. Thus, if the matrix has order n, CTC = (n−1)I.
Some authors use a more general definition, which requires there to be a single ... |
https://en.wikipedia.org/wiki/Seidel%20adjacency%20matrix | In mathematics, in graph theory, the Seidel adjacency matrix of a simple undirected graph G is a symmetric matrix with a row and column for each vertex, having 0 on the diagonal, −1 for positions whose rows and columns correspond to adjacent vertices, and +1 for positions corresponding to non-adjacent vertices.
It is a... |
https://en.wikipedia.org/wiki/Retiming | Retiming is the technique of moving the structural location of latches or registers in a digital circuit to improve its performance, area, and/or power characteristics in such a way that preserves its functional behavior at its outputs. Retiming was first described by Charles E. Leiserson and James B. Saxe in 1983.
T... |
https://en.wikipedia.org/wiki/Java%20version%20history | The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library. Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify addi... |
https://en.wikipedia.org/wiki/Birkhoff%20polytope | The Birkhoff polytope Bn (also called the assignment polytope, the polytope of doubly stochastic matrices, or the perfect matching polytope of the complete bipartite graph ) is the convex polytope in RN (where N = n2) whose points are the doubly stochastic matrices, i.e., the matrices whose entries are non-negative re... |
https://en.wikipedia.org/wiki/Eiki | (Formerly ) is a Japanese company that manufactures LCD and DLP projectors, related accessories and overhead projectors.
History
Eiki was founded in 1953 in Osaka, Japan by four founders (M. Matsuura, S. Yagi, K. Sekino and Y. Minagawa). Initially the focus of the company was producing technology for classroom instruc... |
https://en.wikipedia.org/wiki/Lower%20risk | The ICUN has many ranks that define an animal's population and risk of extinction. Species are classified into one of nine Red List Categories: Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern, Data Deficient, and Not Evaluated. They formerly used a identificat... |
https://en.wikipedia.org/wiki/Treasure%20Island%20%281984%20video%20game%29 | Treasure Island is a 1984 computer game based on the 1883 novel Treasure Island by Robert Louis Stevenson. In the game, the player takes on the role of the book's protagonist Jim Hawkins and has to battle through hordes of pirates before a final showdown with Long John Silver. The game uses a flip-screen style.
The p... |
https://en.wikipedia.org/wiki/Birch%E2%80%93Tate%20conjecture | The Birch–Tate conjecture is a conjecture in mathematics (more specifically in algebraic K-theory) proposed by both Bryan John Birch and John Tate.
Statement
In algebraic K-theory, the group K2 is defined as the center of the Steinberg group of the ring of integers of a number field F. K2 is also known as the tame ker... |
https://en.wikipedia.org/wiki/IBM%20Network%20Control%20Program | The IBM Network Control Program, or NCP, was software that ran on a 37xx communications controller and managed communication with remote devices. NCP provided services comparable to the data link layer and Network Layer functions in the OSI model of a Wide area network.
Overview
The original IBM Network Control Progra... |
https://en.wikipedia.org/wiki/Bulk%20synchronous%20parallel | The bulk synchronous parallel (BSP) abstract computer is a bridging model for designing parallel algorithms. It is similar to the parallel random access machine (PRAM) model, but unlike PRAM, BSP does not take communication and synchronization for granted. In fact, quantifying the requisite synchronization and communi... |
https://en.wikipedia.org/wiki/Encyclopedia%20of%20Statistical%20Sciences | The Encyclopedia of Statistical Sciences is an encyclopaedia of statistics published by John Wiley & Sons.
The first edition, in nine volumes, was published in 1982; it was edited by Norman Lloyd Johnson and Samuel Kotz. The second edition, in 16 volumes, was published in 2006; the senior editor was Samuel Kotz.
See... |
https://en.wikipedia.org/wiki/Quantum%20cohomology | In mathematics, specifically in symplectic topology and algebraic geometry, a quantum cohomology ring is an extension of the ordinary cohomology ring of a closed symplectic manifold. It comes in two versions, called small and big; in general, the latter is more complicated and contains more information than the former.... |
https://en.wikipedia.org/wiki/Novikov%20ring | In mathematics, given an additive subgroup , the Novikov ring of is the subring of consisting of formal sums such that and . The notion was introduced by Sergei Novikov in the papers that initiated the generalization of Morse theory using a closed one-form instead of a function. The notion is used in quantum coho... |
https://en.wikipedia.org/wiki/List%20of%20NAS%20manufacturers | The following notable companies manufacture Network-attached Storage devices.
See also
File area network
Disk enclosure
Network architecture
Global Namespace
Server (computing)
References
Computer storage companies
Network-attached storage |
https://en.wikipedia.org/wiki/Drifter%20drill | A drifter drill, sometimes called a rock drill, is a tool used in mining and civil engineering to drill into rock. Rock drills are used for making holes for placing dynamite or other explosives in rock blasting, and holes for plug and feather quarrying.
While a rock drill may be as simple as a specialized form of chis... |
https://en.wikipedia.org/wiki/Signature%20%28logic%29 | In logic, especially mathematical logic, a signature lists and describes the non-logical symbols of a formal language. In universal algebra, a signature lists the operations that characterize an algebraic structure. In model theory, signatures are used for both purposes. They are rarely made explicit in more philosoph... |
https://en.wikipedia.org/wiki/Roman%20military%20engineering | Roman military engineering was of a scale and frequency far beyond that of its contemporaries. Indeed, military engineering was in many ways endemic in Roman military culture, as demonstrated by each Roman legionary having as part of his equipment a shovel, alongside his gladius (sword) and pila (spears).
Fabri were w... |
https://en.wikipedia.org/wiki/Homerazzi | "Homerazzi" is the sixteenth episode of the eighteenth season of the American animated television series The Simpsons. It originally aired on the Fox network in the United States on March 25, 2007. It was written by J. Stewart Burns, directed by Matthew Nastuk, and guest starred J.K. Simmons as the tabloid editor, Bett... |
https://en.wikipedia.org/wiki/Profile%20%28UML%29 | A profile in the Unified Modeling Language (UML) provides a generic extension mechanism for customizing UML models for particular domains and platforms. Extension mechanisms allow refining standard semantics in strictly additive manner, preventing them from contradicting standard semantics.
Profiles are defined using ... |
https://en.wikipedia.org/wiki/Cork%20encoding | The Cork (also known as T1 or EC) encoding is a character encoding used for encoding glyphs in fonts. It is named after the city of Cork in Ireland, where during a TeX Users Group (TUG) conference in 1990 a new encoding was introduced for LaTeX. It contains 256 characters supporting most west- and east-European languag... |
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